100% Cotton Canvas Boards for Painting - Natural long-staple heavy-duty cotton makes these painting canvas have higher tinting strength and excellent touching sense, holding pigments well and maintaining the paints natural tones and glossiness. Triple Primed Gesso & Ready to Use - Acrylic titanium gesso primed flat canvas board keeps the surface ready to paint, sketch, illustrate, etc. And does not crumble or crack. You can start painting and creating as soon as you remove the wrapper. Rigid Canvas Board Support - Canvas panel is hand stretched and glued over acid-free heavy boards which are smooth, firm and flat, not easily bend or curl up & non-deformation during or after painting.